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Flash Cards > Chapter 12 > Flashcards

Chapter 12 Flashcards

0
Q

Name the largest papillae of the tongue

A

Circum vallate

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1
Q

Sour is best tasted in which portion of the tongue?

A

Sides

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2
Q

What type of sensory organs are the gustatory organs?

A

Taste

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3
Q

What type of stimulus is required for olfactory reception to occur?

A

A few molecules

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4
Q

Name the five primary taste sensations.

A 
Sour
Sweet
Salty
Bitter
Umami
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5
Q

What is lacking in he blind spot so that it has no vision capability

A

Rods and cones

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6
Q

Name structures that protect the eye

A

Eyebrows
Eyelashes
Eyelids

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7
Q

What is the term we use to describe the closest distance at which sharp focus is attained by the eyes?

A

Near point

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8
Q

The thin transparent mucous membrane covering the anterior of the eye and lining the eyelids

A

Conjunctiva

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9
Q

The ability of the eyes to focus together so that we see only one image and have depth perception

A

Binocular vision

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10
Q

A touch receptor is an example of this type of receptor

A

Mechano receptor

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11
Q

The process that adjusts the lens for near vision

A

Accommodation

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12
Q

Light energy initiates nerve impulses in what structure?

A

Retina

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13
Q

A sex linked trait; lacking cones

A

Color blindness

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14
Q

In what area of the eyes are cones are most densely concentrated?

A

Central focea

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15
Q

The colored part of the eye

A

Iris

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16
Q

A kind of pain often experienced by people suffering a heart attack

A

Referred

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17
Q

What receptors work to allow color vision?

A

The three kinds of cones

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18
Q

What is the term we use to describe bringing each eyes to focus at the same point?

A

Convergence

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19
Q

The bending of light rays as they pass from the air through the cornea and lens

A

Refraction

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20
Q

List the accessory structures of the eye.

A

Eyebrows
Lacrimal apparatus muscles
Eyelashes

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21
Q

Where does most of our refractor occur?

A

Cornea

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22
Q

The outermost layer of the retina that contains melanin to absorb light rays

A

Pigment epithelium

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23
Q

The structures that provides blood for the eye and absorbs scattered light

A

Chroid

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24
Q

In what area do humans have the sharpest vision

A

Central fovea

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25
Q

That what process are the macular and semicircular canals involved?

A

Equilibrium

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26
Q

The equilibrium apparatus concerned with maintaining posture

A

Maculae (of the vestibule)

27
Q

The structure(s) for dynamic(motion) equilibrium

A

Canals semicircular canals

28
Q

What makes up the bony labyrinth?

A

Semicircular canals
Vestibule
Cochlea

29
Q

The war structure that converts sound waves into vibrations

A

Tumpanic membrane

30
Q

A balance disorder which causes a person to feel that they are going around in space and are extremely dizzy

A

Vertigo

31
Q

A disorder cause by fusion of the bones of the middle ear (otosclerosis)

A

Conduction deafness

32
Q

A constant ringing in the ears

A

Tinnitus

33
Q

The structure that helps equalize air pressure on the tympanic membrane (auditory tube)

A

Eustachian tube

34
Q

A disorder caused by nonfunctional organs of Corti within the choclea

A

Sensorineural deafness

35
Q

What is created when hair cells come in contact with the tectorial membrane?

A

Air impulse

36
Q

What is the purpose of static equilibrium?

A

Balance

37
Q

Sound waves directly cause what structure to vibrate?

A

Tumpanic membrane

38
Q

Nonciceptors are receptors of _______.

A

Pain

39
Q

Block the formation of chemicals that stimulate the nonciceptor

A

Analgesics

40
Q

Responsible for vision in bright light

A

Cones

41
Q

Responsible for vision in dim light

A

Rods

42
Q

Changes the shape of the lens

A

Ciliary muscles

43
Q

Controls light entry into eyes

A

Iris

44
Q

Focus light onto he retina

A

Lens

45
Q

Central area of retina

A

Maculalutea

46
Q

Nearsightedness

A

Myopia

47
Q

Farsightness

A

Hyeopia

48
Q

Focusing of light rays behind the retina

A

Hyperopia

49
Q

Corrected by convex corrective lens

A

Hyperopia

50
Q

Fluid in the anterior cavity of the eye

A

Aqueous humor

51
Q

Excess fluid pressure in the eye

A

Glacoma

52
Q

Clouding of the lens and/or cornea

A

Cataract

53
Q

Lens that has lost its elasticity with age

A

Presbyopia

54
Q

Fluid in he posterior cavity of the eye

A

Vitreous humor

55
Q

Normal vision

A

Enmeteopoa

56
Q

Irregular curvature of the lens or cornea

A

Astigmatism

57
Q

How many molecules of a substance need to be present in air to be smelled?

A

Only a few

58
Q

How are taste and smell related?

A

Much of what we perceive as taste is actually smell

59
Q

These papillae cover most of the surface of the tongue and rarely contain taste buds.

A

Filiform

60
Q

The lateral edges of the tongue are more sensitive to what substances?

A

Sour

61
Q

What substances maintains the pressure on the eye?

A

Aqueous humor

62
Q

Where does the aqueous humor drain?

A

Into the blood

63
Q

The structure commonly known as the “white” of the eye.

A

Sclera

64
Q

What is the shape of the lens when you view distant objects?

A

Flat

65
Q

Which type of equilibrium refers to the maintenance of body position (as in posture)

A

Static

66
Q

The nerve that carries impulses from our eyes to the occipital lobe of the brain

A

Optic

Flash Cards (18 decks)

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